IOP Conference Series Earth and Environmental Science,
Год журнала:
2022,
Номер
1120(1), С. 012035 - 012035
Опубликована: Дек. 1, 2022
Abstract
Desalination
is
being
used
on
a
much
larger
scale
as
result
of
the
rising
scarcity
freshwater.
plant
energy
usage,
however,
continues
to
be
problem.
Inherently
appealing,
use
renewable
sources
has
been
subject
numerous
research.
Membrane
processes
are
indeed
attracting
great
deal
interest
due
their
economic
viability
and
capacity
scaled
up.
This
article
offers
cutting-edge
review
membrane
related
energies
for
desalinating
seawater
brackish
water.
Reverse
osmosis,
distillation,
electrodialysis
examples
processes.
They
combined
with
like
hydrostatic
pressure,
waves,
solar,
wind,
wind.
The
key
findings
in
this
field
include
principles,
design
implementation,
mathematical
models,
viability,
presented
article.
Materials Today Sustainability,
Год журнала:
2024,
Номер
25, С. 100672 - 100672
Опубликована: Янв. 13, 2024
Mixed-matrix
membranes
(MMMs)
have
emerged
as
a
promising
approach
for
developing
new,
stable,
and
highly
effective
gas
liquid
separation
materials.
MMMs
combine
porous
crystalline
framework
materials,
such
Metal-organic
frameworks
(MOFs),
covalent
organic
(COFs),
hydrogen-bonded
(HOFs),
fillers
incorporated
in
polymer
matrix.
This
article
comprehensively
reviews
MMM
research,
discussing
the
structure
properties
of
MOFs,
COFs,
HOFs
their
attractiveness
use
MMMs.
The
also
mixed
matrix
filtration
with
various
water
treatment
applications.
potential
meeting
needs
different
industries
is
demonstrated
through
discussion
specific
examples.
Overall,
this
highlights
significant
technology
next-generation
materials
attempts
to
cover
most
recent
progress
design
deployment
COFs
HOFs-based
MMMs,
are
remaining
obstacles
prospects.
work
enormous
these
applications
raises
attention
toward
economic
aspect
market
diffusion
Membranes,
Год журнала:
2022,
Номер
12(11), С. 1043 - 1043
Опубликована: Окт. 26, 2022
The
emergence
of
mixed
matrix
membranes
(MMMs)
or
nanocomposite
embedded
with
inorganic
nanoparticles
(NPs)
has
opened
up
a
possibility
for
developing
different
polymeric
improved
physicochemical
properties,
mechanical
properties
and
performance
resolving
environmental
energy-effective
water
purification.
This
paper
presents
an
overview
the
effects
hydrophilic
nanomaterials,
including
mineral
nanomaterials
(e.g.,
silicon
dioxide
(SiO
Desalination and Water Treatment,
Год журнала:
2024,
Номер
317, С. 100088 - 100088
Опубликована: Янв. 1, 2024
Environmental
concerns
about
chemical
and
biological
pollution
of
water
are
alarming
proportions.
Therefore,
various
polymeric
membranes
with
improved
mechanical
physico-chemical
qualities
for
treatment
were
developed
using
mixed
matrix
(MMMs)
or
nanoparticles
(NPs)
embedded
the
membranes.
However,
problem
fouling
consequent
higher
operating
membrane
replacement
costs
barriers
to
use
technology.
a
deeper
comprehension
is
not
only
essential
finding
solutions
but
also
crucial
factor
in
development
The
conventional
blending
modification
would
result
large
number
polymer
matrix.
In
reality,
aggregation
composite
considerable
issue
unfavorable
changes
features
(e.g.
decreased
flux,
weakened
strength).
this
review,
it
was
looked
into
effect
an
optimal
concentration
hydrophilic
nanoparticle
additions
avoid
reduced
high
amounts
valuable
costly
production
obtain
better
results.
influence
additives,
such
as
(carbon
nanotubes
(CNTs),
silica
(SiO2),
titanium
dioxide
(TiO2),
zinc
oxide
(ZnO),
aluminum
(Al2O3),
graphene
(GO),
etc.)
investigated.
Journal of Saudi Chemical Society,
Год журнала:
2024,
Номер
28(2), С. 101805 - 101805
Опубликована: Янв. 2, 2024
In
order
to
address
the
limitation
of
low
flux
in
ultrafiltration
(UF),
a
suitable
additive
is
introduced
into
base
polymer
modify
membrane
morphology,
thereby
enhancing
rates.
this
study,
chamomile
leaf
nanoparticles
(Chm
NPs)
were
investigated
as
novel
green
material
for
utilizing
UF
synthesizes.
To
enhance
comprehension
influence
Chm
on
synthesis
PES
membranes,
series
membranes
fabricated
by
including
different
quantities
casting
solution;
(0,
0.5,
1.5,
and
2
wt.
%.).
The
synthesized
fully
characterized,
through
porosity,
pore
size,
hydrophilicity,
efficiency.
Manufactured
PES/Chm
demonstrated
significantly
increased
permeate
water
(PWF)
(up
498
kg/m2
h),
which
was
four
times
that
pristine
(116
besides
bovine
serum
albumin
(BSA)
Congo
red
dye
(CR)
rejection
still
kept
high.
enhanced
PWF
mostly
due
more
porous
structure
hydrophilicity.
Meanwhile,
higher
surface
hydrophilicity
resulted
greater
antifouling
performance
high
recovery
ratio
(FRR)
93%.
Based
results
research,
may
be
used
with
substantial
application
potential
fabrication
wastewater
treatment.
Membranes,
Год журнала:
2023,
Номер
13(3), С. 269 - 269
Опубликована: Фев. 24, 2023
In
this
study
tungsten
oxide
and
graphene
(GO-WO2.89)
were
successfully
combined
using
the
ultra-sonication
method
embedded
with
polyphenylsulfone
(PPSU)
to
prepare
novel
low-fouling
membranes
for
ultrafiltration
applications.
The
properties
of
modified
performance
investigated
Fourier-transform
infrared
spectroscopy
(FT-IR),
scanning
electron
microscopy
(SEM),
contact
angle
(CA),
water
permeation
flux,
bovine
serum
albumin
(BSA)
rejection.
It
was
found
that
PPSU
membrane
fabricated
from
0.1
wt.%
GO-WO2.89
possessed
best
characteristics,
a
40.82°
92.94%
porosity.
flux
highest.
pure
showcased
636.01
L·m-2·h-1
82.86%
BSA
Moreover,
(MR-2
MR-P2)
manifested
higher
recovery
ratio
(FRR
%)
92.66
87.06%,
respectively,
less
prone
solution
fouling.
antibacterial
composite
very
positive
three
different
concentrations,
observed
via
bacteria
count
method.
These
results
significantly
overtake
those
by
neat
offer
promising
potential
on
activity
performance.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
319, С. 100546 - 100546
Опубликована: Июнь 14, 2024
Membrane
separation
shows
high
performance
in
the
dye's
removal
at
nanofiltration
conditions.
Pinpointing
problems
accompanying
using
pressure
process
sparks
increased
interest
among
investigators
to
tackle
this
important
point.
This
work
tackles
problem
of
remove
intermediate
molecular
weight
dyes
by
decorating
new
functionalized
membranes
working
ultrafiltration
Flat
sheet
were
successfully
prepared
phase
inversion
technique
from
polymeric
solutions
containing
16,
18,
and
20
wt%
polyvinylidene
fluoride
(PVDF)
N,
N-dimethyl
formamide
as
a
solvent.
The
tested
rhodamine
B
(RhB)
dye
model
pollutant
different
transmembrane
pressures
1,
2,
3,
4
bar.
Optimistic
permeability,
permeate
flux,
obtained
18
PVDF.
membrane
was
developed
with
polyethylene
glycol
(PEG)
contents
6,
9
improve
hydrophilicity
permeability
surface
low
pressure.
morphology
analysis,
elemental
composition,
functional
groups
pure
modified
examined.
effect
concentration
pH
feed
solution
on
flux
RhB
studied
an
PVDF
6
PEG.
results
showed
that
incorporating
PEG
casting
reduced
CA
78.85°
for
62.08°
enhanced
7.16
L/m2.h
74.72
1
bar
initial
10
mg/L.
While
slightly
decreased
93.08
%
91.26
%.
showcased
potential
efficiency
(6
wt%)PEG/(18
wt%)PVDF
water.
Also,
cut-off
evaluated
cationic
dye,
acid
orange
10,
congo
red
anionic
it
478
Da.
Polymers,
Год журнала:
2022,
Номер
14(16), С. 3408 - 3408
Опубликована: Авг. 20, 2022
In
this
research,
poly
terephthalic
acid-co-glycerol-g-maleic
anhydride
(PTGM)
graft
co-polymer
was
used
as
novel
water-soluble
pore
formers
for
polyethersulfone
(PES)
membrane
modification.
The
modified
PES
membranes
were
characterized
to
monitor
the
effect
of
PTGM
content
on
their
pure
water
flux,
hydrophilicity,
porosity,
morphological
structure,
composition,
and
performance.
PES/PTGM
by
field
emission
scanning
electron
microscopy
(FESEM),
Fourier-transform
infrared
spectroscopy
(FTIR),
contact
angle
(CA).
results
revealed
that
porosity
hydrophilicity
fabricated
formed
using
a
5
wt.%
ratio
exhibited
an
enhancement
20%
18%,
respectively.
Similarly,
upon
raising
in
casting
solution,
more
porous
with
longer
finger-like
structure
observed.
However,
at
optimum
(i.e.,
5%),
apparent
enhancements
bovine
serum
albumin
(BSA),
sodium
alginate
(SA)
retention
noticed
values
203
L/m2.h
(LMH),
94,
96%,
These
illustrated
observed
separation
permeation
trend
may
be
suitable
option
applications
wastewater
treatment.
experimental
suggest
promising
potential
former
properties
